Metra 70-5701 Receiver Wiring Harness - Crutchfield Metra 70-5701 Receiver Wiring Harness Installation Note: This harness uses your factory amplifier; your new stereo must have one pair of preamp outputs Radio: Please confirm that this adapter will work with the stereo you intend to use. Wire Code Chart: (Power/Speaker Wiring Harness) Wire Color: Function: Red +12 Volt Accessory: Yellow 1953 Chevy Car Parts | Chevs of the 40s Radiator Hose Set -"GM" Script (Lower Hose No Script) Original Style Clamps (3694278B 49^54) Radio, Gauges, Etc (1119005 ALL) Voltage Reducer, 12 Volt to 6 Volt (Gas Gauge) (1119004 ALL) Electrical » Wiring » 1953 Chevy Car Parts. Wiring Harness - Back Up Light (986663A 53-54) Basic Auto Electricity Book (WASBAEB)